Answer:
I am a kind of coat that can only be put on when wet.
In prison I'll be found. But I would never go to court Unless there's more than one
I am one with eight to spare, lest I lose my one. I'm not a number. What am I?
I am an English word with three consecutive double letters. What am I?
I have a foot but no leg. What am I?
What never gets any wetter no matter how hard it rains?